#2274
Southern Pacific class AC-5
🇺🇸 United States ·built by Baldwin Locomotive Works· from 1929· class of 16 American 4-8-8-2 cab forward locomotives
2 photos from Wikimedia Commons · credits & licences
- 1. USA 023 Oakland 2: Brooksbank· CC BY-SA 4.0
- 2. USA 034 Berkeley 3: Brooksbank· CC BY-SA 4.0
what is it?
Southern Pacific Railroad's AC-5 class of steam locomotives was the railroad's second class of 4-8-8-2 cab forward locomotives. They were built between July and September 1929 and placed in service soon after construction. The AC-5 class was only slightly larger than the AC-4 class.
who runs it
base stats
Bars compare against all trains: 600 km/h (maglev), 1,700 seats; power, weight and number built on a log scale up to 20 MW, 1,000 t and 20,000 built.
fun facts
- First built 97 years ago, in 1929.
- Weighs about as much as 47 African elephants (~6 t each).
- Served for 26 years (1929–1955).
steam locomotive: Burns coal, wood or oil to boil water; the steam drives pistons that turn the wheels.
spec sheet
- built
- 1929
- in service from
- 1929
- retired
- 1955
- status
- retired
- number built
- 16
- kind
- Steam
- traction
- steam
- origin
- 🇺🇸 United States
- builders
- Baldwin Locomotive Works
- operators
- Southern Pacific Transportation Company
- top speed
- —
- power
- —
- gauge
- 1,435 mm standard gauge
- wheel arrangement
- 4-8-8-2
- weight
- 282 t
From the Wikipedia infobox and Wikidata. Blank means the sources don't say.
Sources: Wikidata Q7570298, Wikipedia: Southern Pacific class AC-5 (CC BY-SA 4.0).Updated 2026-10-25.